This drill has variable speed and is reversible. It has two gear ranges, high or low torque. It is two tools in one with a quick action disengagement of drilling with or without hammering. The drill runs on heavy duty 6 amp hi-tech motor and drills up to 3/4" in concrete, 1-1/2" in wood and 1/2" in steel at low speed. The side handle rotates 360 for operating convenience. The drill has an adjustable depth guide and is double insulated for operator safety.